As the early morning light slowly illuminates the mishmash of streets around the Krishnarajendra Market in central Bangalore, pushcart vendors wade through ankle-deep mud and cow manure and past heaping piles of cabbage leaves and rotting tomatoes. Skinny porters doubled over beneath burlap sacks full of vegetables shuffle through the quagmire, trying to avoid the trucks that belch blue clouds of diesel exhaust and the sacred but occasionally cantankerous cows munching on piles of trash. Women squat behind piles of vegetables they will carry to distant neighborhoods for a tiny profit. The grocery business in India is choreographed chaos, a commercial...